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lib: Fix an array subscript is above array bounds error

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gcc 5.1.1 complains with:
lib/util/idtree.c:184:15: error: array subscript is above array bounds

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Andreas Schneider 2015-11-25 12:20:23 +01:00 committed by Jeremy Allison
parent c2de8425d9
commit 87f8bddffe
1 changed files with 6 additions and 1 deletions
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7
lib/util/idtree.c
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@ -181,8 +181,13 @@ restart:
*/ */
n = id; n = id;
while (p->bitmap == IDR_FULL) { while (p->bitmap == IDR_FULL) {
if (!(p = pa[++l])) if (l >= MAX_LEVEL) {
break; break;
}
p = pa[++l];
if (p == NULL) {
break;
}
n = n >> IDR_BITS; n = n >> IDR_BITS;
set_bit((n & IDR_MASK), p->bitmap); set_bit((n & IDR_MASK), p->bitmap);
} }